Understanding Bracket Operations

The teacher asks Joseph why he thinks his answer is correct. Joseph explains his method by describing how he manipulated terms inside and outside brackets. He clarifies his steps, ensuring all parts of the equation are accounted for.

What was the initial question posed to Joseph?

• Can you explain the steps?

• What is the final answer?

• Why do you think this could be the answer?

• How did you solve the problem?

What was Joseph's first step in solving the problem?

• He added the numbers inside the bracket.

• He multiplied the numbers outside the bracket.

• He put a part outside the bracket.

• He divided the numbers inside the bracket.

What did Joseph do after putting a part outside the bracket?

• He subtracted the numbers inside the bracket.

• He put another 'a' up there.

• He multiplied the numbers inside the bracket.

• He added another part inside the bracket.

What was the final step Joseph mentioned?

• He added the numbers.

• He put the remaining part in the bracket.

• He multiplied the numbers.

• He put the remaining 'a' up there.

What was the teacher's response to Joseph's explanation?

• The teacher asked another question.

• The teacher gave a hint.

• The teacher corrected Joseph.

• The teacher confirmed the solution.